CheckMat black belt Helder “Bob Esponja” Medeiros is celebrating the arrival of new athletes on the scene. At the North/Northeastern Brazilian championship last weekend in…
Often, when a teacher demonstrates some move or another, there are those who question the technique. Incredulous, some say the position won't work when put…
Hélder “Bob Esponja” Medeiros has been keeping a lively training schedule in João Pessoa, in the Brazilian state of Paraíba. First CheckMat hosted the tough…